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Magnetic anisotropies and interlayer exchange interaction are derived from Brillouin-scattering spectra of various thin films with one or two Co magnetic layers, evaporated in ultrahigh vacuum. The oscillatory behavior of the interlayer exchange interaction is observed in Co/Au/Co sandwiches; the measured values of the pseudoperiod (9.6 {}) and of the attenuation length (12 {}) agree well with recent determination by magneto-optical and magnetoresistive measurements and with theoretical predictions.
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Roussigné et al. (1995) studied this question.
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